What battery sizes are available?

This article contains information on battery capacities and nominal voltage for the products Carmanah offers.

The batteries listed below are non-proprietary and can be purchased locally via a battery vendor or directly from Carmanah. For clarification on the battery needed for your system, click on the chat icon on the bottom right and contact us.

Battery Sizes Available

Capacity Image
7 Ah

18 Ah

35 Ah

55 Ah 

100 Ah

Beacon Systems

Product Generation Number of Batteries Model Battery Specifications
Gen 1 (Legacy)┬╣ 1 R820, R247, R829

Voltage = 4 V

Capacity = 50 Ah

Gen 2  (Legacy)┬▓┬│ 1 or 2 R820, R247, R829

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 17.2 Ah

Terminal Type = NB

Gen 3 (Legacy) 1 SC315

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 35 Ah

Terminal Type = NB

Gen 3 (E Series) 2

R920-E, R820-E,

R247-E, R829-E

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 7 Ah

Terminal Type = F1

Gen 3 (F Series) 2

R920-F, R820-F,

R247-F, R829-F

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 18 Ah

Terminal Type = NB

Gen 3 (G Series) 1

SC315-G, R820-G,

R247-G, R829-G

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 35/55/100 Ah

Terminal Types = various

MX Series Up to 2 R920-MX, R829-MX, R247-MX

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 7/18/35/55/100 Ah

Terminal Types = various

┬╣Legacy battery no longer available.

┬▓Legacy capacity; replaced with 18 Ah equivalent.

┬│Batteries from Carmanah come with new cabling.

*Terminal types:

  • NB = secured using a nut and bolt 
  • F1 = Faston terminals (for slip-on connectors)
  • Various = different sized terminals for securing with nut and bolt

SpeedCheck Radar Speed Signs

Model Number of Batteries Battery Specifications
SPEEDCHECK-12

Up to 3

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 18 Ah

Terminal Type = NB

SPEEDCHECK-15

SPEEDCHECK-18

Cabinet = 1

Integrated solar kit┬╣ = up to 2

Type = Sealed Lead Acid (AGM)

Voltage = 12 V

Capacity = 35/55/100 Ah

Terminal Type = various

┬╣Integrated solar kit versions of the SPEEDCHECK-15/18 utilize the same battery type as SPEEDCHECK-12

*Terminal types:

  • NB = secured using a nut and bolt 
  • Various = different sized terminals for securing with nut and bolt
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